piquant  
adjective uk/ˈpiː.kənt/ us/ˈpiː.kənt/
  (INTERESTING)      
  formal(尤指因神秘而显得)有趣的,刺激的 
interesting and exciting, especially because of being mysterious
  More piquant details of their private life were revealed. 他们私生活中又有更多有趣的细节被披露出来。 
   (SPICY)      
 辛辣的;开胃的
having a pleasant sharp or spicy taste
  a piquant mixture of spices 带辣味的混合调味品